Video: Lucas Matthysse interview and training

Lucas Matthysse, THE RING's No. 9-rated junior welterweight, looked sharp and serene during one of his last workouts in preparation for his fight with fellow contender Devon Alexander (THE RING's No. 4-rated 140 pounder) on Saturday in St. Charles, Mo. Matthysse confidently predicts that he will win the HBO-televised bout by knockout.